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\usepackage{geometry}                		% See geometry.pdf to learn the layout options. There are lots.
\geometry{letterpaper}                   		% ... or a4paper or a5paper or ... 
%\geometry{landscape}                		% Activate for for rotated page geometry
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								% TeX will automatically convert eps --> pdf in pdflatex		
\usepackage{amssymb}
\usepackage{booktabs}


\title{Brief Article}
\author{The Author}
%\date{}							% Activate to display a given date or no date

\begin{document}
%\section{}
%\subsection{}


\begin{center}

\begin{tabular}{lccc} \toprule \toprule
Variable                    &       Control & Treatment & Difference \\
\addlinespace \hline \\
High income &  0.328 &  0.297 & -0.031\\
Test score in 4th grade & 395.794 & 396.263 &  0.468\\
\hline \hline
\end{tabular}


\bigskip


\begin{tabular}{lcc} \toprule \toprule
Variable                    &       Test score in 8th grade        & Test score in 8th grade \\
\addlinespace \hline \\
Treatment & 24.564*** & 25.969***\\
& ( 9.189) & ( 6.152)\\ \addlinespace
Controls & No & Yes \\
Observations & 1000 & 1000 \\
R-square &  0.007 &  0.556 \\
\hline \hline
\end{tabular}

\end{center}


\end{document}  